As Functional Manager for the Department of Defense (DoD), DSS provides security education, training, certification, and professional development for DoD and for other U.S. Government personnel, contractor employees, and representatives of foreign governments.
Vertigo is the most common type of dizziness. The most common diseases that result in vertigo are benign paroxysmal positional vertigo (BPPV), MÃ©niÃ¨re's disease, and labyrinthitis. Less common causes include stroke, brain tumors, brain injury, multiple sclerosis, and migraines.
Causes of vertigo. Vertigo is a symptom of several different conditions. There are two types of vertigo, known as peripheral and central, depending on the cause. Peripheral vertigo. Peripheral vertigo is the most common type, often caused by a problem with the balance mechanisms of the inner ear.